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Laubuka siamensis FOWLER, 1939

October 29th, 2014 — 9:04pm

Considered synonymous with the congener L. laubuca for a number of years, thus reports of that species from anywhere in Indochina actually refer to the current concept of L. siamensis.

Given the distribution of L. siamensis, it seems likely that many of the fish entering the aquarium trade are also this species and not L. laubuca. The two species can be distinguished by…

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Labeo pierrei (SAUVAGE, 1880)

October 26th, 2014 — 4:29pm

This species can be distinguished by the following characters: juveniles with brown body and dark marking at base of caudal-fin; 37-42 + 3-4 lateral line scales; 11½ branched dorsal-fin rays; 7½ scale rows between lateral line and dorsal-fin origin; 20-25 predorsal scales; dorsal-fin relatively small with anterior branched rays shorter than head in juveniles, slightly longer than head in adults.

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Labeo chrysophekadion (BLEEKER, 1849)

Black Shark

October 26th, 2014 — 1:55pm

L. chrysophekadion is also known as ‘black sharkminnow’. It continues to be available in the ornamental trade despite its patent unsuitability for the home aquarium, and an albino form has been selectively bred for the purpose.

It can be distinguished from other members of the genus by the following combination…

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Garra fasciacauda FOWLER, 1937

October 19th, 2014 — 6:55pm

Native to the Mekong river system in Thailand, Laos, Vietnam, and Cambodia, including the Tonlé Sap basin.

Type locality is ‘Kemarat, Thailand’, which corresponds to the Mekoong River in Khemmarat district, Ubon Ratchathani province, northeastern Thailand.

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Esomus longimanus (LUNEL, 1881)

Mekong Flying Barb

October 19th, 2014 — 11:39am

Known from the Mekong river basin in Thailand, Laos, Cambodia, and Vietnam, the Tonlé Sap river and lake system in Cambodia, and smaller, coastal drainages in southeast Thailand. Records from Peninsular Malaysia are likely to refer to other species.

Type locality is given simply as ‘Cambodia’.

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Cyclocheilos enoplos (BLEEKER, 1849)

October 13th, 2014 — 8:47pm

In the Mekong, it has been observed to migrate upstream from Phnom Penh to Khone Falls between November and February, returning downstream between May and August. The downstream migration ends in the Mekong delta area in Vietnam, where the fish remain until the floods reach their peak in October and November. These lower Mekong migrations mostly comprise juveniles and sub-adults, whereas above Khone Falls…

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Channa lucius (CUVIER, 1831)

Forest Snakehead

July 10th, 2013 — 4:05pm

Prefers a dimly-lit aquarium with plenty of cover in the form of live plants, driftwood branches, terracotta pipes, plant pots, etc., arranged to form a network of nooks, crannies, and shaded spots.

Surface vegetation such as Ceratopteris spp. is also appreciated and makes the fish less inclined to conceal themselves.

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Kryptopterus geminus NG, 2003

April 4th, 2013 — 1:30pm

This species is likely to be traded for aquaria but probably misidentified as the very similar-looking K. cyrptopterus with which wild populations were formerly considered conspecific.

These two are closely-related and can be distinguished from congeners by the dorsal profile lacking a nuchal concavity (vs. possessing a nuchal concavity) and possessing short maxillary barbels (extending to the pectoral-fin base vs. ext…

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Kryptopterus bicirrhis (VALENCIENNES, 1840)

April 4th, 2013 — 10:49am

Generally peaceful though it may predate on smaller fishes and is somewhat timid so does not compete well with much larger, robust or otherwise boisterous species.

Peaceful, comparably-sized cyprinids, loaches and other catfishes perhaps constitute the best options but be sure to research your choices thoroughly prior to purchase.

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Brachygobius mekongensis LARSON & VIDTHAYANON, 2000

Mekong Bumblebee Goby

November 14th, 2012 — 6:46pm

Apparently restricted to slow-moving or standing freshwater habitats such as marshes, temporal swamps and floodplains where aquatic vegetation and submerged grasses proliferate.

One locality consisted of undisturbed marshland with lightly tannin-stained water and dense growth of Vallisneria spp.

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